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In a survey conducted by NBC News and The Wall Street Journal at the beginning of a year in which several states are expected to vote on marijuana legalization, 60 percent of respondents supported allowing adults to buy marijuana for personal use.

A broad majority of Democrats — 73 percent — supported legalization, as well as 64 percent of independents. By contrast, only 43 percent of Republican respondents said they supported legalization. Among voters who supported President Donald Trump in 2016, the number was even lower, at 37 percent.

Age and gender made a difference in the likelihood that respondents would support legalization. Younger respondents were more likely to support legalization. Sixty-four percent of men supported legalization, while 57 percent of women were in favor.

The NBC/WSJ poll of 900 adults (nearly half reached by cellphone) was conducted Jan. 13-17 and has an overall margin of error of plus-minus 3.3 percentage points.